Identify which of the following is a property of a parallelogram.
75.
0 A.
The diagonals are congruent.
0 B.
The diagonals bisect the angles.
0 C.
The diagonals are perpendicular.
0 D.
The diagonals bisect each other.
(Related Tutorial Video:
See question
16)
Addendum to Answer Key
5. ΔDEF has vertices D(4, 1), E(2, –1), and F(–2, –1). Classify ΔDEF based on its sides.
D
F
E
***All sides are a different length---this is a Scalene triangle!
26. Look at the triangle.
Find X first by using the Pythagorean Theorem:
18
13
Find Y by using the Pythagorean Theorem a second time:
X
5
y
Determine the length of y. Express your answer in simplified radical form.
Write your answer on the line.
What is the length of y?